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This article appeared on p24 of the G2 section of the Guardian
on Tuesday 10 July 2012.
It was published on
the Guardian website
at 19.01 EDT on Tuesday 10 July 2012.
It was last modified at 02.10 EDT on Thursday 19 June 2014.
It was first published at 19.03 EDT on Tuesday 10 July 2012.